Fix configuration error

Author: jiangpengcheng

core/controller/src/main/resources/reference.conf

@@ -31,7 +31,7 @@ whisk {
     timeout-addon = 1m
 
     fpc {
-      use-perMin-throttles = false
+      use-per-min-throttles = false
     }
   }
   controller {

tests/src/test/resources/application.conf.j2

@@ -63,12 +63,6 @@ whisk {
         }
     }
 
-    loadbalancer {
-        fpc {
-            use-perMin-throttles = false
-        }
-    }
-
     cosmosdb {
         endpoint   = ${?COSMOSDB_ENDPOINT}
         key        = ${?COSMOSDB_KEY}